<template>
  <div class="main-box">
    <div class="main">
      <a-form id="formLogin" class="user-layout-login" ref="formLogin" :form="form" @submit="handleSubmit">
        <a-tabs
          :activeKey="customActiveKey"
          :tabBarStyle="{ textAlign: 'center', borderBottom: 'unset' }"
          @change="handleTabClick"
        >
          <a-tab-pane key="tab1" :tab="$t('user.login.tab-login-credentials')">
            <a-alert
              v-if="isLoginError"
              type="error"
              showIcon
              style="margin-bottom: 24px"
              :message="$t('user.login.message-invalid-credentials')"
            />
            <a-form-item>
              <a-input
                size="large"
                type="text"
                :placeholder="$t('user.login.username.placeholder')"
                v-decorator="[
                  'username',
                  {
                    rules: [
                      { required: true, message: $t('user.userName.required') },
                      { validator: handleUsernameOrEmail },
                    ],
                    validateTrigger: 'change',
                  },
                ]"
              >
                <a-icon slot="prefix" type="user" :style="{ color: 'rgba(0,0,0,.25)' }" />
              </a-input>
            </a-form-item>

            <a-form-item>
              <a-input-password
                size="large"
                :placeholder="$t('user.login.password.placeholder')"
                v-decorator="[
                  'password',
                  { rules: [{ required: true, message: $t('user.password.required') }], validateTrigger: 'blur' },
                ]"
              >
                <a-icon slot="prefix" type="lock" :style="{ color: 'rgba(0,0,0,.25)' }" />
              </a-input-password>
            </a-form-item>
          </a-tab-pane>
          <a-tab-pane key="tab2" :tab="$t('user.login.tab-login-mobile')">
            <a-form-item>
              <a-input
                size="large"
                type="text"
                :placeholder="$t('user.login.mobile.placeholder')"
                v-decorator="[
                  'mobile',
                  {
                    rules: [{ required: true, pattern: /^1[34578]\d{9}$/, message: $t('user.login.mobile.placeholder') }],
                    validateTrigger: 'change',
                  },
                ]"
              >
                <a-icon slot="prefix" type="mobile" :style="{ color: 'rgba(0,0,0,.25)' }" />
              </a-input>
            </a-form-item>

            <a-row :gutter="16">
              <a-col class="gutter-row" :span="16">
                <a-form-item>
                  <a-input
                    size="large"
                    type="text"
                    :placeholder="$t('user.login.mobile.verification-code.placeholder')"
                    v-decorator="[
                      'captcha',
                      {
                        rules: [{ required: true, message: $t('user.verification-code.required') }],
                        validateTrigger: 'blur',
                      },
                    ]"
                  >
                    <a-icon slot="prefix" type="mail" :style="{ color: 'rgba(0,0,0,.25)' }" />
                  </a-input>
                </a-form-item>
              </a-col>
              <a-col class="gutter-row" :span="8">
                <a-button
                  class="getCaptcha"
                  tabindex="-1"
                  :disabled="state.smsSendBtn"
                  @click.stop.prevent="getCaptcha"
                  v-text="(!state.smsSendBtn && $t('user.register.get-verification-code')) || state.time + ' s'"
                ></a-button>
              </a-col>
            </a-row>
          </a-tab-pane>
        </a-tabs>

        <a-form-item>
          <a-button
            size="large"
            type="primary"
            htmlType="submit"
            class="login-button"
            :loading="state.loginBtn"
            :disabled="state.loginBtn"
          >{{ $t('user.login.login') }}</a-button
          >
        </a-form-item>

        <!-- <a-form-item>
          <a-checkbox v-decorator="['rememberMe', { valuePropName: 'checked' }]">{{
            $t('user.login.remember-me')
          }}</a-checkbox>
          <router-link :to="{ name: 'recover', params: { user: 'aaa' } }" class="forge-password" style="float: right">{{
            $t('user.login.forgot-password')
          }}</router-link>
        </a-form-item> -->

        <div class="user-login-other">
          <!-- <span>{{ $t('user.login.sign-in-with') }}</span>
          <a>
            <a-icon class="item-icon" type="alipay-circle"></a-icon>
          </a>
          <a>
            <a-icon class="item-icon" type="taobao-circle"></a-icon>
          </a>
          <a>
            <a-icon class="item-icon" type="weibo-circle"></a-icon>
          </a>
          <router-link class="register" :to="{ name: 'register' }">{{ $t('user.login.signup') }}</router-link> -->
          <div class="login-other-left">
            <span><img src="~@/assets/icons/iphone-download.svg" /><a>下载:Chiname61</a></span>
          </div>
          <div class="login-other-right">
            <a>忘记密码</a>
            <a>忘记用户名</a>
          </div>
        </div>
      </a-form>

      <two-step-captcha
        v-if="requiredTwoStepCaptcha"
        :visible="stepCaptchaVisible"
        @success="stepCaptchaSuccess"
        @cancel="stepCaptchaCancel"
      ></two-step-captcha>
    </div>
  </div>
</template>

<script>
// import md5 from 'md5'
import TwoStepCaptcha from '@/components/tools/TwoStepCaptcha'
import { mapActions } from 'vuex'
import { timeFix } from '@/utils/util'
import { getSmsCaptcha } from '@/api/login'

export default {
  components: {
    TwoStepCaptcha
  },
  data () {
    return {
      customActiveKey: 'tab1',
      loginBtn: false,
      // login type: 0 email, 1 username, 2 telephone
      loginType: 0,
      isLoginError: false,
      requiredTwoStepCaptcha: false,
      stepCaptchaVisible: false,
      form: this.$form.createForm(this),
      state: {
        time: 60,
        loginBtn: false,
        // login type: 0 email, 1 username, 2 telephone
        loginType: 0,
        smsSendBtn: false
      }
    }
  },
  created () {
    // get2step({})
    //   .then((res) => {
    //     this.requiredTwoStepCaptcha = res.result.stepCode
    //   })
    //   .catch(() => {
    //     this.requiredTwoStepCaptcha = false
    //   })
    // this.requiredTwoStepCaptcha = true
  },
  methods: {
    ...mapActions(['Login', 'Logout']),
    // handler
    handleUsernameOrEmail (rule, value, callback) {
      const { state } = this
      const regex = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/
      if (regex.test(value)) {
        state.loginType = 0
      } else {
        state.loginType = 1
      }
      callback()
    },
    handleTabClick (key) {
      this.customActiveKey = key
      // this.form.resetFields()
    },
    handleSubmit (e) {
      e.preventDefault()
      const {
        form: { validateFields },
        state,
        customActiveKey,
        Login
      } = this

      state.loginBtn = true

      const validateFieldsKey = customActiveKey === 'tab1' ? ['username', 'password'] : ['mobile', 'captcha']

      validateFields(validateFieldsKey, { force: true }, (err, values) => {
        if (!err) {
          console.log('login form', values)
          const loginParams = { ...values }
          // delete loginParams.username
          // loginParams[!state.loginType ? 'email' : 'username'] = values.username
          // loginParams.username = values.username
          // loginParams.password = values.password
          // console.log('loginParams', loginParams)
          loginParams.rememberMe = null
          Login(loginParams)
            .then((res) => this.loginSuccess(res))
            .catch((err) => this.requestFailed(err))
            .finally(() => {
              state.loginBtn = false
            })
        } else {
          setTimeout(() => {
            state.loginBtn = false
          }, 600)
        }
      })
    },
    getCaptcha (e) {
      e.preventDefault()
      const {
        form: { validateFields },
        state
      } = this

      validateFields(['mobile'], { force: true }, (err, values) => {
        if (!err) {
          state.smsSendBtn = true

          const interval = window.setInterval(() => {
            if (state.time-- <= 0) {
              state.time = 60
              state.smsSendBtn = false
              window.clearInterval(interval)
            }
          }, 1000)

          const hide = this.$message.loading('验证码发送中..', 0)
          getSmsCaptcha({ mobile: values.mobile })
            .then((res) => {
              setTimeout(hide, 2500)
              this.$notification['success']({
                message: '提示',
                description: '验证码获取成功，您的验证码为：' + res.result.captcha,
                duration: 8
              })
            })
            .catch((err) => {
              setTimeout(hide, 1)
              clearInterval(interval)
              state.time = 60
              state.smsSendBtn = false
              this.requestFailed(err)
            })
        }
      })
    },
    stepCaptchaSuccess () {
      this.loginSuccess()
    },
    stepCaptchaCancel () {
      this.Logout().then(() => {
        this.loginBtn = false
        this.stepCaptchaVisible = false
      })
    },
    loginSuccess (res) {
      console.log(res)
      // check res.homePage define, set $router.push name res.homePage
      // Why not enter onComplete
      /*
      this.$router.push({ name: 'analysis' }, () => {
        console.log('onComplete')
        this.$notification.success({
          message: '欢迎',
          description: `${timeFix()}，欢迎回来`
        })
      })
      */
      this.$router.push({ path: '/' })
      // 延迟 1 秒显示欢迎信息
      setTimeout(() => {
        this.$notification.success({
          message: '欢迎',
          description: `${timeFix()}，欢迎回来`
        })
      }, 1000)
      this.isLoginError = false
    },
    requestFailed (err) {
      this.isLoginError = true
      this.$notification['error']({
        message: '错误',
        description: ((err.response || {}).data || {}).message || '请求出现错误，请稍后再试',
        duration: 4
      })
    }
  }
}
</script>

<style lang="less" scoped>
.user-layout-login {
  /deep/.ant-tabs-ink-bar{
    background-color: #2bc5a0;
  }
  /deep/.ant-tabs-nav {
    display: block!important;
    .ant-tabs-tab{
      float: left;
      padding: 12px 0;
    }
    .ant-tabs-tab-active {
      color: rgba(0, 0, 0, 0.75);
      font-weight: 500;
    }
  }
  label {
    font-size: 14px;
  }

  .getCaptcha {
    display: block;
    width: 100%;
    height: 40px;
  }

  .forge-password {
    font-size: 14px;
  }

  button.login-button {
    padding: 0 15px;
    font-size: 16px;
    height: 40px;
    width: 100%;
    background-color: #2bc5a0;
    background: linear-gradient(to top right, #2bc5a0, #4493a3);
    border-color: #2bc5a0;
  }

  .user-login-other {
    text-align: left;
    margin-top: 80px;
    line-height: 22px;
    overflow: hidden;
    .login-other-left{
      float: left;
      span{
        img{
          display: inline-block;
          width: 15px;
        }
        a {
          font-size: 12px;
          color: rgba(0, 0, 0, 0.75)!important;
        }
      }
    }
    .login-other-right{
      float: right;
      a {
        font-size: 12px;
        color: rgba(0, 0, 0, 0.75)!important;
        margin-left: 20px;
      }
    }
    .item-icon {
      font-size: 24px;
      color: rgba(0, 0, 0, 0.2);
      margin-left: 16px;
      vertical-align: middle;
      cursor: pointer;
      transition: color 0.3s;

      &:hover {
        color: #1890ff;
      }
    }

    .register {
      float: right;
    }
  }
}
</style>
